diff --git a/audio/audio.c b/audio/audio.c
index 886725747b..1ecdbc4191 100644
--- a/audio/audio.c
+++ b/audio/audio.c
@@ -1778,7 +1778,7 @@ static AudioState *audio_init(Audiodev *dev, const char *name)
         s->nb_hw_voices_out = 1;
     }
 
-    if (s->nb_hw_voices_in <= 0) {
+    if (s->nb_hw_voices_in < 0) {
         dolog ("Bogus number of capture voices %d, setting to 0\n",
                s->nb_hw_voices_in);
         s->nb_hw_voices_in = 0;